package com.itheima.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> exceptionHandler(SQLIntegrityConstraintViolationException exception) {
        String s = String.valueOf(exception.getMessage());
        log.error(s);
        if (s.contains("Duplicate entry")) {
            String[] s1 = s.split(" ");
            String s2 = s1[2]+"已存在";
            log.error(s2);
            return R.error(s2);
        }

        return R.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public R<String> exceptionHandler(CustomException exception) {
       log.error(exception.getMessage());
        return R.error(exception.getMessage());
    }

}
